Passlock dash light does it lie ??

Asked by Frank Apr 19, 2023 at 09:21 PM about the 1998 Chevrolet Suburban C1500 RWD

Question type: Maintenance & Repair

If the security light turns off could the
pass lock still be activated?

1 Answer
155,435

james answered about a year ago

Yes, if the PCM (engine computer) loses the fuel enable signal from the BCM (Body Control Module) the engine will not start. The security light and the check engine light or service engine soon light will NOT come on. But there will be a trouble code stored in the PCM. So scan the PCM for trouble codes and see if that's what has happened. Hope that helps! Jim

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